Folding carton



FIG. 1 is a perspective view of a folding carton showing my new design;

FIG. 2 is a front elevational thereof, the rear side elevation being a mirror image;

FIG. 3 is a left side elevation thereof, the right side elevation being a mirror image; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a folding carton, as shown and described. 